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  <title>获取服务器池的统计信息</title>
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  <h1 class="refname">Memcached::getStats</h1>
  <p class="verinfo">(PECL memcached &gt;= 0.1.0)</p><p class="refpurpose"><span class="refname">Memcached::getStats</span> &mdash; <span class="dc-title">获取服务器池的统计信息</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-memcached.getstats-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>Memcached::getStats</strong></span>(): <span class="type">array</span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>Memcached::getStats()</strong></span>返回一个包含所有可用memcache服务器状态的数组.
   返回的统计信息的详细描述参见<a href="https://github.com/memcached/memcached/blob/master/doc/protocol.txt" class="link external">&raquo;&nbsp;memcache protocol</a>。
   （译注：经实验，服务器池中有不可用服务器时，返回false）
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-memcached.getstats-parameters">
  <h3 class="title">参数</h3>
  <p class="para">此函数没有参数。</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-memcached.getstats-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   服务器统计信息数组， 每个服务器一项。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-memcached.getstats-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-4402">
    <p><strong>示例 #1 <span class="function"><strong>Memcached::getStats()</strong></span> 示例</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$m&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">Memcached</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$m</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">addServer</span><span style="color: #007700">(</span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">11211</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$m</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getStats</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程的输出类似于：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
Array
(
    [localhost:11211] =&gt; Array
        (
            [pid] =&gt; 4933
            [uptime] =&gt; 786123
            [threads] =&gt; 1
            [time] =&gt; 1233868010
            [pointer_size] =&gt; 32
            [rusage_user_seconds] =&gt; 0
            [rusage_user_microseconds] =&gt; 140000
            [rusage_system_seconds] =&gt; 23
            [rusage_system_microseconds] =&gt; 210000
            [curr_items] =&gt; 145
            [total_items] =&gt; 2374
            [limit_maxbytes] =&gt; 67108864
            [curr_connections] =&gt; 2
            [total_connections] =&gt; 151
            [connection_structures] =&gt; 3
            [bytes] =&gt; 20345
            [cmd_get] =&gt; 213343
            [cmd_set] =&gt; 2381
            [get_hits] =&gt; 204223
            [get_misses] =&gt; 9120
            [evictions] =&gt; 0
            [bytes_read] =&gt; 9092476
            [bytes_written] =&gt; 15420512
            [version] =&gt; 1.2.6
        )

)
</pre></div>
    </div>
   </div>
  </p>
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